The Church of Our Lady of the Mercedes is a catholic temple and parish of Costa Rica that is located in the city of Greece, in the province of Alajuela, in the West of the country. It is a building built in the year 1840, dedicated to the Catholic worship in that town, to the Virgin Mary under the invocation of Our Lady of Mercy. It is a neo-Gothic building, built entirely in iron. It is a national monument of the country.